Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:41263 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751282Ab0KVGtR convert rfc822-to-8bit (ORCPT ); Mon, 22 Nov 2010 01:49:17 -0500 Received: by wyb28 with SMTP id 28so6659106wyb.19 for ; Sun, 21 Nov 2010 22:49:15 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <4CE734D9.90103@openwrt.org> References: <1290203740-57124-1-git-send-email-nbd@openwrt.org> <1290203740-57124-2-git-send-email-nbd@openwrt.org> <1290203740-57124-3-git-send-email-nbd@openwrt.org> <1290203740-57124-4-git-send-email-nbd@openwrt.org> <4CE734D9.90103@openwrt.org> Date: Mon, 22 Nov 2010 12:19:10 +0530 Message-ID: Subject: Re: [PATCH 4/4] mac80211: reduce the probe response timeout after beacon loss From: Mohammed Shafi To: Felix Fietkau Cc: linville@tuxdriver.com, johannes@sipsolutions.net, linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sat, Nov 20, 2010 at 8:09 AM, Felix Fietkau wrote: > On 2010-11-19 10:55 PM, Felix Fietkau wrote: >> Waiting for 500 ms after sending a probe request seems a bit excessive, >> especially when doing 5 attempts. If the connection is bad enough to make >> multiple requests time out, then user space should try to quickly find a >> new AP. This might improve fail over roaming to a small extent but as per the commit id d1c5091f23fed5195271e2849f89017d3a126521 it was mentioned this might affect robustness against 'slow AP's' > Hmm, don't merge this patch yet, it can cause background scans to > trigger reconnects. > I am not sure how this affects background scan.bgscan will be enabled even before the beacon loss and it is based on RSSI(please correct me if I am wrong). > - Felix > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at ?http://vger.kernel.org/majordomo-info.html >